#536987
Closest named color: Metallic Blue (#4F738E). oklch(51.5% 0.055 256.3), rgb(83, 105, 135).
Aa
White text reads best on this color (5.61:1).
About this color
#536987 is a medium-dark, muted blue. In OKLCH its lightness is 52%, its chroma 0.055 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.028 away. White text reads best on it, at 5.61:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.73:1 |
| White text | 5.61:1 |
Values
| HEX | #536987 |
| RGB | rgb(83, 105, 135) |
| HSL | hsl(215, 24%, 43%) |
| OKLCH | oklch(51.5% 0.055 256.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #536987 | 5.61:1 | AA | Lc -83.3 | Fine for body text |
| Black text on #536987 | 3.73:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #536987 text on white | 5.61:1 | AA | Lc 78.1 | Fine for body text |
| #536987 text on black | 3.73:1 | AA large text | Lc -23.7 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D3DAE3
oklch(88.6% 0.015 254.6)
-
Step 300
300
#B6C2D2
oklch(81% 0.026 255.6)
-
Step 400
400
#90A2BB
oklch(70.7% 0.042 256.6)
-
Step 500
500
#748BAA
oklch(63% 0.054 256)
-
Step 600
600
#5D7596
oklch(55.6% 0.059 256.5)
-
Step 700
700 (this color)
#536987
oklch(51.5% 0.055 256.3)
-
Step 800
800
#3F5068
oklch(42.7% 0.045 257)
-
Step 900
900
#354254
oklch(37.5% 0.035 256.6)
-
Step 950
950
#1F2731
oklch(27% 0.022 254.2)
#536987 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #5E6A88 | 0.016 |
| Deuteranopia (no green cones) | #586586 | 0.013 |
| Tritanopia (no blue cones) | #426F73 | 0.047 |
| Achromatopsia (no color) | #676767 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #536987
#536987
oklch(51.5% 0.055 256.3)
- #7A6343
#7A6343
oklch(51.4% 0.055 75.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #536987, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.028
- Slate #516572 ΔE 0.033
- Denim #3B638C ΔE 0.037
- Dull Blue #49759C ΔE 0.041
- Muted Blue #3B719F ΔE 0.044
- Dusky Blue #475F94 ΔE 0.044
- Dusty Grape #545775 ΔE 0.054
- Stormy Blue #507B9C ΔE 0.054
Use #536987 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.